NASA isn't the only government entity that has joined Instagram, either.

So far, the best one seems to be the TSA feed, which highlights some of the items that are confiscated at airport checkpoints. An inert 60 mm mortar round on an airplane? Sounds legit. A canister of bear mace? You must really want that window seat.

Just at the end of August, former President George W. Bush joined Instagram. He hasn't posted any of his sweet paintings yet, but surely that is coming. The comments on his handful of photos are what you would expect from the Internet.